[MacPorts] #70670: iconv on macOS Ventura 13.6+ does not perform correct conversions

[MacPorts]

#70670: iconv on macOS Ventura 13.6+ does not perform correct conversions
----------------------------+---------------------------------------
 Reporter:  seamusdemora    |      Owner:  (none)
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.10.1
 Keywords:  iconv libiconv  |       Port:  libiconv @1.17_0 (active)
----------------------------+---------------------------------------
 I'm trying to do something that seems simple (it can be done simply on my
 Linux box):

 I have C&P a line from a PDF file (a French programming guide), to
 Terminal.app:
 'print("Numéro de boucle", i)'

 I wanted to convert this line to ASCII before pasting into my editor. So I
 used 'iconv' as shown below. In each case, I used 'file' to check the
 "from" encoding :

 {{{
 % echo 'print("Numéro de boucle", i)' | file -
 /dev/stdin: Unicode text, UTF-8 text

 % echo 'print("Numéro de boucle", i)' | iconv -f utf-8 -t ascii//translit
 print("Num'ero de boucle", i)

 ?!?!?!?   I tried another example:

 % echo "print("Protégé. Señorita. Coup de grâce", i)" | file -
 /dev/stdin: Unicode text, UTF-8 text

 % echo 'Protégé Señorita Coup de grâce' | iconv -f UTF-8 -t
 ASCII//TRANSLIT
 Prot'eg'e Se~norita Coup de gr^ace
 }}}

 As you can see, this is not correct: a single quote has been added. I'm
 not a frequent user of 'iconv', so I checked this on my Debian 'bookworm'
 Linux box:

 {{{
 $ echo 'print("Numéro de boucle", i)' | iconv -f utf-8 -t ascii//translit
 print("Numero de boucle", i)
 }}}

 I've checked to confirm that the version of 'iconv' on my macOS Ventura
 13.6+ is one from MacPorts. I believe that it is:

 {{{
 % whereis iconv
 iconv: /usr/bin/iconv /opt/local/share/man/man1/iconv.1.gz

 % port installed requested
 The following ports are currently installed:
 ...
 libiconv @1.17_0 (active)
 ...
 %
 }}}

 And confirmation of my macports version:
 {{{
 % port -v
 MacPorts 2.10.1
 }}}

 I can accept that it's broken, and I can accept that it can't be fixed (if
 that turns out to be the case). But I surely would appreciate an
 explanation of what has gone wrong - especially if it's something that I
 am doing incorrectly!

 Rgds,
 ~S

-- 
Ticket URL: <https://trac.macports.org/ticket/70670>
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